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Agronomía Mesoamericana

On-line version ISSN 2215-3608Print version ISSN 1659-1321


KIRSCHENBILDER, Erika et al. Asparagus chain: Fifth year production of different genotypes and postharvest behaviour. Agron. Mesoam [online]. 2015, vol.26, n.1, pp.100-109. ISSN 2215-3608.

The objective of this investigation was to study greenhouse precocious spears yield of three genotypes of asparagus on its fifth harvest season. The trial was established at the Faculty of Agricultural, Pontifical Catholic University of Argentina, on November, 15, 2006. 19 different harvests were made from 04/09/2012 to 22/10/2012, one every two days. A multifactor ANOVA-LSD test (P>0.05) was performed. Variables analyzed were: total productivity and commercial productivity (PFT and PFC), total number of spears and commercial number of spears (NTT and NTC); caliber distribution (DC): Jumbo (J), Extra-Large (XL), Large (L), Medium (M) and Small (S) and finally,  quality defects (D): spiked spears (TE); short spears (TC) and other defects (OD). During the post-harvest period, bundles (A), trays (BA) and polyethylene bags were used to study fresh weight evolution (EPF); daily fresh weight loss (PPFD) and average fresh weight during the post-harvest period (PPFP). Italian breeds yielded above 9 t/ha, twice the Argentinean national average. According to the production results, Giove stood out regarding PFT, PFC, NTT, NTC and a proper DC, where the 70% of spears measured L and XL. With regard to postharvest behavior, it was found that the lowest degree of dehydration was obtained by using bags and trays.

Keywords : Asparagus officinalis var. altilis; asparagus quality; spears.

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